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P0703

Overview

Code

P0703

Code Type

P

Code Class

P0

System

Transmission

Severity Level

Medium

Emissions Related

true

Drivability Impact

Major

Diagnostic Protocol

OBD2

Freeze Frame Useful

true

Code Definition

Diagnostic trouble code P0703 indicates a malfunction in the transmission fluid temperature sensor circuit

Symptoms

Overheating Rough shifting

Overview applies to this diagnostic code.

Affected Systems

On This Page

  • Code Definition

  • Symptoms

  • Affected Systems

  • Possible Causes

  • Diagnostic Steps

  • Drive Safety Notes​

More Resources

Transmission fluid temperature sensor

Possible Causes

Faulty fluid temperature sensor Wiring issues

Diagnostic Steps

1 Inspect fluid temperature sensor 2 Test sensor output

Drive Safety Notes

Transmission overheating can lead to premature failure

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